Fans ramping up randomly

Mike_J_Smith

Mike_J_Smith

Mike_J_Smith

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Joined
25 Oct 2005
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464
I've got 10 fans controlled by Aquasuite, all of them run off one fan output of the Aquacomputer D5 pump via a powered splitter.

Everything has worked flawlessly for months, but all of a sudden I'm getting very short, sharp increases in fan output. Aquasuite is tied to water temperature, so that's not peaking and Aquasuite still says it is only putting out the minimum % I set.

So it's not the software, then I guess it's hardware issue? Maybe one of the fans has gone faulty or perhaps more likely it's a wiring issue and somethng has come loose.

Before I dive in and start looking at the wiring, is there anythign else I may have missed?
 
I'm not familiar with Aquasuite, but presumably it is monitoring CPU temperature?

If so at boot you do tend to get small spikes in CPU load as apps load and boot time optimisations etc that can peg the CPU for a few seconds.

If so has Aquasuite got a temperature hysteresis option?
Basically you want fans speeds to respond to bigger changes over a period of time, rather than reacting to each and every short term temperature spike
 
It's a watercooled loop and the source is the water temperature, so that shouldn't be it. Although the only other fan is the chipset fan, so maybe it's that? It can get quite loud and I had a problem a while ago with it running at full pelt. I can't remember the details but it was a common issue with the board (MSI X570 Tomahawk).


I've taken the side window off the PC to see if I can identifiy if it's all fans, some fans or the chipset.
 
You might have already identified the issue then as I’m aware the tomahawk chipset can be a nuisance, and that is not controlled using AS.

Repasting the chipset die may help or setting the chipset fan limit in the bios
 
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aquasuite has a startup boost option per fan if i recall correctly, are you sure you didnt change it more recently and just have forgotten. i have it set to do the same on mine via start up boost.
edit spotted your post about the chipset fan, ignore if its that then
 
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Yeah maybe it's the chipset. Of course now I'm sat next to the computer with the side off, nothing is happening! The chipset fan is diffcult to see as I have a vertical mount GPU, but the next time it happens I can take a look to see if that is spinning up. It's normally at 0% so it's not something I've thought about since I did that fix.
 
i believe that many people who moaned about the chipset being loud, MSI released an updated motherboard without the fan. Obviously i'm not advising to swap motherboards as that's a waste, but you might be able to get away with repasting/apply thermal pad, and a standard chipset heatsink on top rather than the fan.

If the chipset fan doesn't come on often, and only really on benchmark loads, then replacing with a heatsink shouldn't affect temperatures as much
 
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